<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../resource/img/jquery-1.8.3.js"></script>
    <script>
        $(function () {
            $("tbody tr:odd").css("background-color","green");
            $("tbody tr:even").css("background-color","black");
        })
    </script>
</head>
<body>

            <table border="1" width="500" hei ght="50" align="center" id="tbl" id="tbl">
                <thead>
                <tr>
                    <th>编号</th>
                    <th>姓名</th>
                    <th>年龄</th>
                </tr>
                </thead>
                <tbody>
                <tr >
                    <td>1</td>
                    <td>张三</td>
                    <td>22</td>
                </tr>
                <tr >
                    <td>2</td>
                    <td>李四</td>
                    <td>25</td>
                </tr>
                <tr >
                    <td>3</td>
                    <td>王五</td>
                    <td>27</td>
                </tr>
                <tr >
                    <td>4</td>
                    <td>赵六</td>
                    <td>29</td>
                </tr>
                <tr >
                    <td>5</td>
                    <td>田七</td>
                    <td>30</td>
                </tr>
                <tr >
                    <td>6</td>
                    <td>汾九</td>
                    <td>20</td>
                </tr>
                </tbody>
            </table>
</body>
</html>